Southern California Mountain Bike Trails Site - A photographic display of Southern California's mountain biking trails.

Bikescape - A comprehensive resource guide to off road mountain bike trails in the US.

Great Places to Ride - Trails, maps and mountain bike ride photos. Links to other sites as well as a cycling log spreadsheet, maps and aerial photos. Southwest USA, Illinois, USVI, and Ireland.

North Country mountain biking, trails, hiking, cross-country skiing trail page - Trails and maps for the North Country (Jefferson County) NY for mountain biking, hiking, camping, and cross-country skiing.

Cycling British Columbia's Trans Canada Trail - Information and maps to guide you through some of the provinces most stunning landscapes as you explore BC's Trans Canada Trail.

Lock 4 Trailblazers - L4T of Tennessee is a non-profit organization devoted to promoting land access, trail preservation and maintenance, and new trail building, so as to enhance mountain bike touring, racing and fellowship for all cyclists.

DirtWorld Trail Guide - Extensive guide to US and Canadian trails from dirtworld.com.

MyBikeSite.com Trail Central - US trails directory, add and update descriptions yourself.

Singletracks.com - Site includes trail descriptions for mountain bike trails in Georgia and the Carolinas. Includes free classified ads, message boards, and many other interactive features.

Mountain Bike TrailSource - An online adventure guide to mountain bike trails around the planet.

Utah (BikeUtah.com) - Information about trails, guides, outfitters and shops in Utah. Official biking site of the Utah Travel Council.

Mountain Bike Wales - Trail descriptions and photos in Wales.

Ridemonkey.com - A mountain bikers online community. Features various mountain biking related discussions.

Mountainbike Trails - Mountainbike trails in the Alps, mostly harder ones with lots of trial.

Mountain Biking in the North East of England - A good place to find out route, tourist, and bike shop information. In and around the North Pennines. Includes likely weather, photos, advise from a local cyclist and links to other local groups on the internet.

2nd Revolution Cycle Routes - Mountain bike and cycle guide for Wiltshire, Avon. Single track and trails around Bath, Melksham, Pewsey, Salisbury Plain, Box Woods, Bath Rocks. Photos of each location.

GORP - Regional Biking Guide - A comprehensive guide to biking trails near you, across the country and around the world.

Mountain biking Nelson New Zealand - Mountain biking in Nelson, New Zealand. Track information, club news, and calendar of events.

The Zen Mountain Biker - Mountain biking in the Santa Monica Mountains.

Nick's Cool Routes - North and South Downs, Quantocks, Brecon Beacons, Coed Y Brenin, Lake District, Peak District (UK), also the Alps (Les Gets, Morzine), Pyrenees (Luchon), Lake Garda, Moab (Utah), Winter Park (Colorado) and links and reviews.

Mudhead Sports - Supplies books, maps, trail guides, videos and more for the mountain biker. Features Craig's Trail Talk, commentary and photos of trails.

RideMidwest.com - The Midwest cyclist's forum featuring trail descriptions, maps, links, and discussions.

Mountain Biking, Windsurfing, and Rock Climbing in Alabama - Mountain biking trail maps and contact information for Alabama rides.

Mountainbike Zuid Limburg - Dutch site about MTB in the south of the Netherands and the east of Belgium.

GORP - Meccas Beyond Moab - Emerging mountain biking hotspots.

MTB Route Plaza - Europe - More than 400 mountain bike routes, day-tours, races, cyclo's, and brevets, in Holland, Belgium, Luxembourg and the rest of Europe .

MyBikeSite.com -- Southern California - Southern California mountain bike trails, shops, and clubs.

New England (by NEMBA) - Descriptions and some maps for a great number of sites to ride in Connecticut, Massachusetts, Maine, Vermont, New Hampshire and Rhode Island.

MTB Madness - Mountain Biking in Ohio and nearby places

MtbRoutes.com - Resources to help plan your next off-road biking adventure. Editorials, user-contributions and online store.

BikeRag - Ride recaps, topo trail maps, and pictures to show you what the riding is like.

Rock and Ride! - Mountain bike trail descriptions and colorful detailed topographical maps of areas such as Moab, Utah and Crested Butte, Colorado. Vital information on hotels, camping, restaurants and local events.

Mountain Biking in the San Bernardino National Forest - Trail information and pictures of various mtb rides in the San Bernardino National Forest and some other locations.

Trail Design Specialists - Specializing in the design of sustainable multi-use trails. Design information and techniques from experienced mountain bike and multi-use trail designers.

Trails.com - Connecting people to the outdoors. - Comprehensive hiking and mountain biking trail guides.

The Mainthing - Mountain biking routes in the United Kingdom and Europe.

Unofficial Great Divide Mountain Bike Route Page - Information about the Great Divide Mountain Bike Route.

Mountain Bike Park - The Internet's mountain bike park. Trail reviews and resources for riding all over the world.

Biking Zone - Outdoor pursuit routes and information for mountain biking, walking, climbing and other activities in the Peak District and across the UK.

MTB-Freeride - Mountain Biking - MTB,downhill,duel,cross-country,trails,and guided routes.

Utah Mountain Bike Trail Guide - 50 of Utah's best mountain bike trails, with photos, description, map, and directions.

The Singletrack Classroom - Online guide to building and maintaining mountain bike trails.

Top Ten California Mountainbike Singletrack - The ten best singletrack mountain bike trails in California including trail descriptions and photos of Mr. Toads Wild Ride, Mammoth Mountain, and Noble Canyon among others.

iExplore: Mountain Biking - Mountain biking trips all over the world from iExplore, a complete travel guide. Search for trips, talk to experts, or read traveler reviews.

Mont-Saint-Anne Mountain Biking - Mountain bike network in eastern Canada. 200 kilometers and 14 downhill runs. Host of downhill, dual and cross-country Mountain Bike World Cup events.

The Mad Biker - Trails and techniques of mountain biking, mostly focused on riding in Oregon.

mtb-trails.co.uk - A resource for finding information on mountain bike trails, hire shops, and clubs around the UK.

Michigan Mountain Biking Association - Detailed descriptions of mountain bike trails in Michigan from beginner to expert.

Mountain Biking - Trail information for the midwest including Illinois, Wisconsin, and Michigan.

South Downs Mountain Bike Routes - Off road trails along the hills of the South Downs in Southern England. Other routes include Nepal, Morocco, and the Alps.

Mountain Bike Rides - New Zealand - The top 400 mountain bike rides in New Zealand.

Midwest Mountain Biker - The source for all mountain biking needs in the Midwestern states.

Mountain Biking in York PA - Information about mountain biking in the York PA area.

The San Francisco Mountain Biking Page - Reviews, descriptions, directions, and profiles of mountain biking trails in the San Francisco bay area.

Mt. Bike Whiskeytown - Mountain biking trails at Whiskeytown and Shasta lakes near Redding, Northern California. Full trail descriptions along with many pictures and quotes.

Mountain Biking - Australia - Mountain biking tips, area information, and 38 suggested tours in the Mount Beauty gateway to the Alpine National Park and Bogong High Plains, Victoria, Australia.

Ouachita Mountain Bike Adventures - Trail guide for mountain biking trails in the Ouachita Mountains of Arkansas.

West Berks Mountain Biking - Dirt jump sites, trials, and x-country sites around Newbury West Berkshire.